Effects of laser polarization on jet emission of fast electrons in femtosecond-laser plasmas

被引：62

作者：

Chen, LM

Zhang, J

Li, YT

Teng, H

Liang, TJ

Sheng, ZM

Dong, QL

Zhao, LZ

Wei, ZY

Tang, XW

机构：

[1] Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100080, Peoples R China

[2] Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China

[3] Osaka Univ, Inst Laser Engn, Suita, Osaka 5650871, Japan

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.87.225001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Effects of laser polarization on fast electron emission are studied from an aluminum target irradiated by ultrashort laser pulses at 2 x 10(16) W/cm(2). Jet emission of outgoing fast electrons collimated in the polarization direction is observed for s-polarized laser irradiation, whereas for p-polarized irradiation highly directional emission of outgoing fast electrons is found in the direction close to the normal of the target. The behavior of ingoing fast electrons into the target for s- and p-polarized irradiation is also investigated by observing x-ray bremsstrahlung radiation at the backside of the target.

引用

页码：art. no. / 225001

页数：4

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